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Popular >

15 choose 9

Solution

15c9

Solution

5005

Solution steps

= \frac{n !}{r ! ( n - r ) !}

Plug in

n = 15, r = 9

= \frac{15 !}{9 ! ( 15 - 9 ) !}

\frac{15 !}{9 ! ( 15 - 9 ) !} = 5005

= 5005

Popular Examples

12 P 3

interquartile 2,5,8,8,9,10,10,14,15,18,21,21 interquartile range

2, 5, 8, 8, 9, 10, 10, 14, 15, 18, 21, 21

std of 100000,200000,300000,400000,500000 standard deviation

100000, 200000, 300000, 400000, 500000

interquartile 81,89,78,82,84,86,79,72,73,75 interquartile range

81, 89, 78, 82, 84, 86, 79, 72, 73, 75

std of 4,7,10,12,16,17 standard deviation

4, 7, 10, 12, 16, 17

Frequently Asked Questions (FAQ)

What is 15 choose 9 ?
The answer to 15 choose 9 is 5005